IEC614421997额定电压630kVUm7236kV的电力电缆附件的试验方法

IEC61442国际标准第1版1997-04额定电压6kV(mU=7.2kV)至30kV(mU=36kV)电力电缆附件试验方法Electriccables-TestmethodsforaccessoriesForpowercableswithratedvoltagesfrom6kV(mU=7.2kV)upto30kV(mU=36kV)编号：CEI/IEC614421997目录前言1范围······································································································································2规范性引用文件···················································································································3试验安装和试验条件············································································································4交流耐压试验·······················································································································5直流耐压试验·······················································································································6冲击耐压试验·······················································································································7局部放电试验·······················································································································8在高温下试验·······················································································································9热循环试验···························································································································10短路热稳定试验（屏蔽）··································································································11短路热稳定试验··················································································································12短路动稳定试验··················································································································13潮湿试验和盐雾试验··········································································································14屏蔽电阻测量·····················································································································15屏蔽泄漏电流则量··············································································································16屏蔽故障电流引发试验······································································································17操作力试验·························································································································18操作孔试验·························································································································19电容测试点性能··················································································································附录A电缆导体温度的测定···········································································································B潮湿试验和盐雾试验的试验室和喷雾设备的详述······························································C参考文献······························································································································国际电工委员会电缆——额定电压6kV（mU=7.2kV）至30kV（mU=36kV）电力电缆附件试验方法前言l）IEC（国际电工委员会）是一个由所有国家电工委员会（IEC国家委员会）组成的世界性标准化组织。IEC的目标是在电气和电子专业有关标准化的所有问题上促进国际合作。为此IEC除了出版国际标准外，还进行一些其它活动。这些标准由受委托的各技术委员会制订。对关心所涉及的标准的任何IEC国家委员会可以参加制订工作。与IEC有协作关系的国际组织和政府机构也可参加这种制订工作。IEC和国际标准化组织根据双方的协商条件密切合作。由每个技术委员会代表所有国家委员会对他们关心的技术问题作出的IEC正式决议或协议尽可能表达出国际上对相关主题的一致意见。由这些正式决议或协议形成的文件以推荐形式在国际上使用，并以标准、技术报告或导则的形式出版，在此意义上这些文件被各国家委员会所接受。为促进国际上的统一，IEC国家委员会明确地尽可能最大限度地在他们的国家标准和区域标准中采用IEC国际标准。在IEC标准和相应的国家标准或区域标准之间的任何差异应在后者中明确指出。IEC不提供表示它被批准的标志的程序，而且不会对声称符合其一些标准之一的设备承担责任。要注意到本国际标准中的某些要素可能有专利权。IEC不应对辨认任何一个或所有这些专利权负有责任。国际标准IEC61442是由IEC第20技术委员会（电缆）的第20A分技术委员会（高压电缆）制订。本标准的文本以下列文件为基础：国际标准出版稿（FDIS）投票表决报告20A/316/FDIS20A/341/RVD关于批准本标准的全部投票表决资料可以在上表中列出的“投票表决报告”中查到。附录A、附录B和附录C仅为资料性附录。电缆——额定电压6kV（mU=7.2kV）至30kV（mU=36kV）电力电缆附件试验方法1范围本标准规定了额定电压3.6/6（7.2）kV至18/30（36）kV电力电缆附件型式试验的试验方法。试验方法适用于符合IEC60502.2的挤出绝缘电缆和IEC60055的纸绝缘电缆的附件。2规范性引用文件下列文件中的条款通过本标准的引用而成为本标准的条款。在本标准出版时，所示版本均为有效，所有引用文件都会被修订，使用本标准的各方应探讨采用下列规范性文件最新版本的可能性。IEC和ISO的成员都持有现行有效国际标准的目录。IEC60055：额定电压18/30（36）kV纸绝缘金属护套电缆（导体为铜和铝，但不包括压气和充油电缆）IEC60060.1：1989，高电压试验技术第1部分：一般定义和试验要求IEC60230：1966，电缆及其附件的冲击试验IEC60270：1981，局部放电测试IEC60502-2：额定电压1kV（mU=l.2kV）至30kV（mU=36kV）挤包绝缘电力电缆及其附件第2部份：额定电压6kV（mU=7.2kV）至30kV（mU=36kV）电缆IEC60694：1980，高压开关设备和控制设备标准公用技术要求IEC60811-1-2：1985，电缆绝缘和护套材料的公用试验方法第1部分：通用方法一一第2章：热老化试验方法IEC60885-2：1987，电缆电性能试验方法第2部分：局部放电试验IEC60811：1989，额定电压1.8/3（3.6）kV至18/30（36）kV电缆允许短路温度导则3试验安装和试验条件3.1本标准叙述的试验方法规定用于型式试验。3.2试验布置和试品数量由相关的标准给出。3.3在本标准第4-19章规定了试验条件。未作规定的应在相关标准中规定。3.4除非另有规定，试验参数和要求由相关标准给出。3.5过渡接头（挤包绝缘对挤包绝缘或挤包绝缘对纸绝缘）的试验参数（电压和导体温度）按较低额定值电缆的参数。3.6除非制造方另有规定，应在附件安装到电缆试验回路中至少经24h以后开始试验，这个时间间隔应记录在试验报告中。3.7电缆屏蔽和铠装（如果有的话）应仅在其一端连接在一起并接地，以防止环流。3.8附件上通常接地的所有部件都应连接到电缆屏蔽上，所有支撑的金属件也应接地。3.9环境温度应是（20±15）℃。4交流耐压试验4.1干试验4.1.1安装附件组件应与所有相关的金属件和配件一起装配。施加试验电压前，附件应保持清洁和干燥。4.1.2方法除非另有规定，试验应在环境温度下进行，并按IEC60060-1第5章规定的程序施加电压。4.2湿试验4.2.1安装终端应根据制造方的说明书，按运行状态下的相对间距垂直安装，除非终端专门用于非垂直方向安装。4.2.2方法除非另有规定，湿试验方法按IEC60060-1中9.1规定，且应在环境温度下进行。5直流耐压试验5.1安装附件组件应与所有相关金属件和配件一起装配。施加试验电压前，附件应该清洁和干燥。5.2方法应对电缆导体施加负极性电压。试验应在环境温度下，按IEC60060-1第4章规定的程序施加电压。6冲击耐压试验6.1安装应参照相关标准进行包括金属防护罩和终端盒在内的试验安装的准备。对三芯电缆附件（例如在一个金属防护罩内的三个单芯终端头），一次试验一相，其他两相接地。6.2方法应按